Fix ReferenceError for let/const variables in of/in for loop

ReferenceError should be thrown when variable is used before assignment

JerryScript-DCO-1.0-Signed-off-by: Rafal Walczyna r.walczyna@samsung.com

Author: rwalczyna

jerry-core/parser/js/js-scanner.c

@@ -2108,7 +2108,7 @@ scanner_scan_statement_end (parser_context_t *context_p, /**< context */
         while ((literal_p = (lexer_lit_location_t *) parser_list_iterator_next (&literal_iterator)) != NULL)
         {
           if ((literal_p->type & (SCANNER_LITERAL_IS_LET | SCANNER_LITERAL_IS_CONST))
-              && literal_p->type & SCANNER_LITERAL_NO_REG)
+              && (literal_p->type & (SCANNER_LITERAL_NO_REG | SCANNER_LITERAL_IS_USED)))
           {
             literal_p->type |= SCANNER_LITERAL_EARLY_CREATE;
           }

tests/test262-es6-excludelist.xml

@@ -422,12 +422,8 @@
   <test id="language/statements/continue/labeled-continue.js"><reason></reason></test>
   <test id="language/statements/continue/nested-let-bound-for-loops-labeled-continue.js"><reason></reason></test>
   <test id="language/statements/continue/simple-and-labeled.js"><reason></reason></test>
-  <test id="language/statements/for-in/const-bound-names-fordecl-tdz-for-in.js"><reason></reason></test>
-  <test id="language/statements/for-in/let-bound-names-fordecl-tdz-for-in.js"><reason></reason></test>
   <test id="language/statements/for-of/body-dstr-assign-error.js"><reason></reason></test>
   <test id="language/statements/for-of/body-dstr-assign.js"><reason></reason></test>
-  <test id="language/statements/for-of/const-bound-names-fordecl-tdz-for-of.js"><reason></reason></test>
-  <test id="language/statements/for-of/let-bound-names-fordecl-tdz-for-of.js"><reason></reason></test>
   <test id="language/statements/for/S12.6.3_A9.1.js"><reason></reason></test>
   <test id="language/statements/for/S12.6.3_A9.js"><reason></reason></test>
   <test id="language/statements/function/13.2-30-s.js"><reason></reason></test>